Executive Assistant

We started by building infrastructure to run CI workloads really fast. Our first product helps companies run GitHub Actions substantially faster and cheaper by owning and operating our own global fleet of bare-metal machines rather than renting generic cloud VMs. We operate thousands of bare-metal machines across multiple regions, regularly schedule 100k+ vCPUs concurrently, and run a petabyte-scale Ceph cluster that we manage ourselves. We’ve raised $58.5M from Seed to Series B, led by Google Ventures (GV) & Peak XV Partners, and we’re intentionally building a small, but exceptional team. Blacksmith was founded by a team with deep systems and scaling experience, including building search/ads infrastructure at Faire, and operating large distributed systems at Cockroach Labs. We’re now extending the same CI infrastructure into a broader platform: running agent sandboxes at scale and building our own background coding agent on top of it. Serve as a trusted point of contact for investors, board members, design partners, customers, and press
- with judgment about what needs the CEO and what you can handle yourself. Coordinate with EAs and chiefs of staff at partner, customer, and investor organizations. Travel and personal logistics Plan and book domestic and international travel end to end
- flights, hotels etc. Coordinate appointments, household services, purchases, deliveries, family travel, and other personal administration so they slot cleanly around professional priorities, and build systems that make the CEO’s life admin run without their attention. Office and team Assist in the running of the San Francisco office day to day: vendors, supplies, food, space, the small things that make people want to come in. Help to coordinate offsites, team dinners, customer dinners, and networking events. You have either supported the CEO of another hypergrowth startup, or you have supported Partners at the most demanding investment banking, private equity or venture capital firms. Comfort with ambiguity, shifting priorities, and a company that looks different every quarter. Fluency with modern tools (Google Workspace, Slack, Notion, Linear) and a strong understanding of how a tech startup operates. Comfort supporting both professional and personal logistics. You are uncomfortable handling personal logistics or operational tasks. You want a remote or hybrid role. Competitive base + equity. Medical, Vision, and Dental insurance. Early-exercise stock options #